__bitmap_shift_right(9) centos man page | unix.com

__BITMAP_SHIFT_RIGHT(9) 				  Basic Kernel Library Functions				   __BITMAP_SHIFT_RIGHT(9)

NAME
       __bitmap_shift_right - logical right shift of the bits in a bitmap

SYNOPSIS
       void __bitmap_shift_right(unsigned long * dst, const unsigned long * src, int shift, int bits);

ARGUMENTS
       dst
	   destination bitmap

       src
	   source bitmap

       shift
	   shift by this many bits

       bits
	   bitmap size, in bits

DESCRIPTION
       Shifting right (dividing) means moving bits in the MS -> LS bit direction. Zeros are fed into the vacated MS positions and the LS bits
       shifted off the bottom are lost.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   __BITMAP_SHIFT_RIGHT(9)